Demo/ARM9_STR91X_IAR/ParTest/ParTest.c

/*
    FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
	

    ***************************************************************************
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    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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*/

/* Library includes. */
#include  "91x_lib.h"

/* Scheduler includes. */
#include "FreeRTOS.h"

/* Demo application includes. */
#include "partest.h"

#define partstMAX_LEDs		4
#define partstLED_PORT		*( ( unsigned short * ) 0x5800f3fc )

/*-----------------------------------------------------------*/

static GPIO_InitTypeDef GPIO9_InitStruct;

void vParTestInitialise( void )
{	
	/* Configure the bits used to flash LED's on port 9 as output. */
	GPIO_StructInit( &GPIO9_InitStruct );
	GPIO9_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
	GPIO9_InitStruct.GPIO_Direction = GPIO_PinOutput;
	GPIO_Init( GPIO9, &GPIO9_InitStruct );
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned short usLED = 0x0001;

	if( uxLED < partstMAX_LEDs )
	{
		usLED <<= uxLED;

		portENTER_CRITICAL();
		{
			if( xValue )
			{
				partstLED_PORT &= ~usLED;
			}
			else
			{
				partstLED_PORT |= usLED;				
			}		
		}
		portEXIT_CRITICAL();
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned short usLED = 0x0001;

	if( uxLED < partstMAX_LEDs )
	{
		usLED <<= uxLED;

		portENTER_CRITICAL();
		{
			if( partstLED_PORT & usLED )
			{
				partstLED_PORT &= ~usLED;
			}
			else
			{
				partstLED_PORT |= usLED;			
			}	
		}
		portEXIT_CRITICAL();
	}
}